Explore details about location Calle Sur. Calle Sur is a location situated within the Boecillo alongside other areas such as Calle Nogal, Calle San Francisco, Calle Memorable. Additionally, some smaller parts of Calle Sur include specific areas like Calle Reyes Católicos, Calle América, Calle Reyes Católicos;Calle del Descubrimiento adding to the diversity of its landscape.